Subtract 8/35 from 42/20
1st number: 2 2/20, 2nd number: 8/35
42/20 - 8/35 is 131/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
8/35 = 8 × 4/35 × 4 = 32/140 - Subtract the two like fractions:
294/140 - 32/140 = 294 - 32/140 = 262/140 - After reducing the fraction, the answer is 131/70
- In mixed form: 161/70
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